eCFR.io
Daily eCFR

Part 199—Drug and Alcohol Testing

Drug and Alcohol Testing

ContainsSubparts A–C
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

PART 199—DRUG AND ALCOHOL TESTING

Subparts

Authority49 U.S.C. 5103, 60102, 60104, 60108, 60117, and 60118; 49 CFR 1.53.
Source53 FR 47096, Nov. 21, 1988, unless otherwise noted.